private boolean resetDisplayBox() {
FigureEnumeration fe = getAffectedFigures();
if (!fe.hasMoreElements()) {
return false;
}
Figure currentFigure = fe.nextFigure();
Rectangle figureDisplayBox = currentFigure.displayBox();
currentFigure.displayBox(getOldDisplayBox());
setOldDisplayBox(figureDisplayBox);
return true;
}
private Rectangle fieldBounds(Figure figure) {
Rectangle box = figure.displayBox();
int nChars = Math.max(20, getURL(figure).length());
Dimension d = fTextField.getPreferredSize(nChars);
box.x = Math.max(0, box.x + (box.width - d.width) / 2);
box.y = Math.max(0, box.y + (box.height - d.height) / 2);
return new Rectangle(box.x, box.y, d.width, d.height);
}
/** Finds a top level Figure that intersects the given rectangle. */
public Figure findFigure(Rectangle r) {
FigureEnumeration k = figuresReverse();
while (k.hasMoreElements()) {
Figure figure = k.nextFigure();
Rectangle fr = figure.displayBox();
if (r.intersects(fr)) return figure;
}
return null;
}
/**
* Finds a top level Figure that intersects the given rectangle. It supresses the passed in
* figure. Use this method to ignore a figure that is temporarily inserted into the drawing.
*/
public Figure findFigure(Rectangle r, Figure without) {
if (without == null) return findFigure(r);
FigureEnumeration k = figuresReverse();
while (k.hasMoreElements()) {
Figure figure = k.nextFigure();
Rectangle fr = figure.displayBox();
if (r.intersects(fr) && !figure.includes(without)) return figure;
}
return null;
}
private int constrainY(int y) {
LineConnection line = ownerConnection();
Figure startFigure = line.getStartConnector().owner();
Figure endFigure = line.getEndConnector().owner();
Rectangle start = startFigure.displayBox();
Rectangle end = endFigure.displayBox();
Insets i1 = startFigure.connectionInsets();
Insets i2 = endFigure.connectionInsets();
int r1y, r1height, r2y, r2height;
r1y = start.y + i1.top;
r1height = start.height - i1.top - i1.bottom - 1;
r2y = end.y + i2.top;
r2height = end.height - i2.top - i2.bottom - 1;
if (fSegment == 0) {
y = Geom.range(r1y, r1y + r1height, y);
}
if (fSegment == line.pointCount() - 2) {
y = Geom.range(r2y, r2y + r2height, y);
}
return y;
}
private int constrainX(int x) {
LineConnection line = ownerConnection();
Figure startFigure = line.getStartConnector().owner();
Figure endFigure = line.getEndConnector().owner();
Rectangle start = startFigure.displayBox();
Rectangle end = endFigure.displayBox();
Insets i1 = startFigure.connectionInsets();
Insets i2 = endFigure.connectionInsets();
int r1x, r1width, r2x, r2width;
r1x = start.x + i1.left;
r1width = start.width - i1.left - i1.right - 1;
r2x = end.x + i2.left;
r2width = end.width - i2.left - i2.right - 1;
if (fSegment == 0) {
x = Geom.range(r1x, r1x + r1width, x);
}
if (fSegment == line.pointCount() - 2) {
x = Geom.range(r2x, r2x + r2width, x);
}
return x;
}
public Point locate(Figure owner) {
Rectangle r = owner.displayBox();
return new Point(r.x + (int) (r.width * fRelativeX), r.y + (int) (r.height * fRelativeY));
}